05/26/2010 05:12 am ET Updated May 25, 2011

Google Expands Behavioral Targeting, Risking Privacy Outcry

A year ago, when Google started testing its own version of "behavioral targeting" to track Web surfers' visits, and serving them ads on other sites based on those visits, I predicted that the company was headed for a collision course with privacy advocates. Maybe even Congress.

And who knows? That may still happen. But Google (GOOG) isn't slowing down.

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